Here you can find the source of expr(String xpathStr)
public static XPathExpression expr(String xpathStr) throws XPathExpressionException
//package com.java2s; /*// w w w. j av a2s. c om FatRat download manager http://fatrat.dolezel.info Copyright (C) 2006-2011 Lubos Dolezel <lubos a dolezel.info> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ import javax.xml.xpath.XPath; import javax.xml.xpath.XPathExpression; import javax.xml.xpath.XPathExpressionException; import javax.xml.xpath.XPathFactory; public class Main { static final XPathFactory factory = XPathFactory.newInstance(); public static XPathExpression expr(String xpathStr) throws XPathExpressionException { XPath xpath = factory.newXPath(); return xpath.compile(xpathStr); } }